Display screen or portion thereof with a graphical user interface



The patent or application file contains at least one drawing executed incolor. Copies of this patent or patent application publication withcolor drawings will be provided by the Office upon request and paymentof the necessary fee.

FIG. 1 is a front view of a display screen or portion thereof with agraphical user interface according to a first embodiment;

FIG. 2 is a front view of a display screen or portion thereof with agraphical user interface according to a second embodiment;

FIG. 3 is a front view of a display screen or portion thereof with agraphical user interface according to a third embodiment; and,

FIG. 4 is a front view of a display screen or portion thereof with agraphical user interface according to a fourth embodiment.

The rectangular broken-line perimeter in FIGS. 1-4 illustrates a displayscreen and forms no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha graphical user interface, as shown and described.